# -*- coding: utf-8 -*-

# Scrapy settings for doubanbook project
#
# For simplicity, this file contains only settings considered important or
# commonly used. You can find more settings consulting the documentation:
#
#     https://doc.scrapy.org/en/latest/topics/settings.html
#     https://doc.scrapy.org/en/latest/topics/downloader-middleware.html
#     https://doc.scrapy.org/en/latest/topics/spider-middleware.html

BOT_NAME = 'doubanbook'

SPIDER_MODULES = ['doubanbook.spiders']
NEWSPIDER_MODULE = 'doubanbook.spiders'

# Crawl responsibly by identifying yourself (and your website) on the user-agent
# USER_AGENT = 'doubanbook (+http://www.yourdomain.com)'

# Obey robots.txt rules
ROBOTSTXT_OBEY = False

# Configure maximum concurrent requests performed by Scrapy (default: 16)
# CONCURRENT_REQUESTS = 32

# Configure a delay for requests for the same website (default: 0)
# See https://doc.scrapy.org/en/latest/topics/settings.html#download-delay
# See also autothrottle settings and docs
# DOWNLOAD_DELAY = 3
# The download delay setting will honor only one of:
# CONCURRENT_REQUESTS_PER_DOMAIN = 16
# CONCURRENT_REQUESTS_PER_IP = 16

# Disable cookies (enabled by default)
# COOKIES_ENABLED = False

# Disable Telnet Console (enabled by default)
# TELNETCONSOLE_ENABLED = False

# Override the default request headers:
# DEFAULT_REQUEST_HEADERS = {
#   'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8',
#   'Accept-Language': 'en',
# }

# Enable or disable spider middlewares
# See https://doc.scrapy.org/en/latest/topics/spider-middleware.html
# SPIDER_MIDDLEWARES = {
#        'doubanbook.middlewares.DoubanbookSpiderMiddleware': 1,
# }

# Enable or disable downloader middlewares
# See https://doc.scrapy.org/en/latest/topics/downloader-middleware.html
DOWNLOADER_MIDDLEWARES = {
    # 'doubanbook.middlewares.DoubanbookDownloaderMiddleware': 543,
    'doubanbook.middlewareSpider.Uamid': 1,
    # 'doubanbook.middlewareSpider.IPPOOlS': 3,
}

# Enable or disable extensions
# See https://doc.scrapy.org/en/latest/topics/extensions.html
# EXTENSIONS = {
#    'scrapy.extensions.telnet.TelnetConsole': None,
# }

# Configure item pipelines
# See https://doc.scrapy.org/en/latest/topics/item-pipeline.html
# ITEM_PIPELINES = {
#     'doubanbook.pipelines.DoubanbookPipeline': 1,
#     'doubanbook.pipelineItcastItem.itcastItemPipeline': 2,
#     'doubanbook.pipelineCctv.cctvItemPipeline': 3,
#     'doubanbook.pipelineImage.cctvImagePipeline': 299,  # 激活图片下载管道
#     'doubanbook.pipelinexicidali.XicidailiPipeline': 4,  # 激活图片下载管道
# }
# IMAGES_STORE = '\\picture'
IMAGES_STORE = 'D:\\'
FILE_NAME = 'dbbook.json'
# Enable and configure the AutoThrottle extension (disabled by default)
# See https://doc.scrapy.org/en/latest/topics/autothrottle.html
# AUTOTHROTTLE_ENABLED = True
# The initial download delay
# AUTOTHROTTLE_START_DELAY = 5
# The maximum download delay to be set in case of high latencies
# AUTOTHROTTLE_MAX_DELAY = 60
# The average number of requests Scrapy should be sending in parallel to
# each remote server
# AUTOTHROTTLE_TARGET_CONCURRENCY = 1.0
# Enable showing throttling stats for every response received:
# AUTOTHROTTLE_DEBUG = False

# Enable and configure HTTP caching (disabled by default)
# See https://doc.scrapy.org/en/latest/topics/downloader-middleware.html#httpcache-middleware-settings
# HTTPCACHE_ENABLED = True
# HTTPCACHE_EXPIRATION_SECS = 0
# HTTPCACHE_DIR = 'httpcache'
# HTTPCACHE_IGNORE_HTTP_CODES = []
# HTTPCACHE_STORAGE = 'scrapy.extensions.httpcache.FilesystemCacheStorage'

# FEED_URI = u'data.csv'
# FEED_FORMAT = 'CSV'

# FEED_URI = u'data.json'
# FEED_FORMAT = 'JSON'

USER_AGENT = 'Mozilla/5.0 (Windows NT 6.3; WOW64; rv:45.0) Gecko/20100101 Firefox/45.0'

# 设置用户代理池
UPPOOL = [
    "Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Firefox/52.0",
    "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/59.0.3071.115 Safari/537.36",
    "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.79 Safari/537.36 Edge/14.14393",
]
# 设置IP池
IPPOOL = [
    {"ipaddr": "120.84.102.63:9999"},
    {"ipaddr": "118.113.245.33:9999"},
    {"ipaddr": "171.35.210.116:9999"},
]
######################################################
##############下面是Scrapy-Redis相关配置################
######################################################

# # 指定Redis的主机名和端口
# REDIS_HOST = 'localhost'
# REDIS_PORT = 6379
#
# # 调度器启用Redis存储Requests队列
# SCHEDULER = "scrapy_redis.scheduler.Scheduler"
#
# # 确保所有的爬虫实例使用Redis进行重复过滤
# DUPEFILTER_CLASS = "scrapy_redis.dupefilter.RFPDupeFilter"
#
# # 将Requests队列持久化到Redis，可支持暂停或重启爬虫
# SCHEDULER_PERSIST = True
#
# # Requests的调度策略，默认优先级队列
# SCHEDULER_QUEUE_CLASS = 'scrapy_redis.queue.PriorityQueue'
